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Monthly climate in Jiangnan, Zhejiang, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Jiangnan features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (46 °F) and 30 °C (87 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 41 °C (107 °F).The average annual precipitation amounts to about 1496 mm (58.9 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually.Jiangnan enjoys an average of 2684 hours of sunshine throughout the year, and daylight varies from 10 hours 19 minutes to 13 hours 56 minutes per day.

Monthly average temperatures in Jiangnan, Zhejiang, China §

The warmest months in Jiangnan are July, August and September, with daily mean temperatures ranging from 27 to 30 °C (80 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (46 - 49 °F) throughout the day. On average each year, Jiangnan experiences 150 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jiangnan, Zhejiang, China.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 25°C
(78°F)		 27°C
(81°F)		 31°C
(89°F)		 34°C
(93°F)		 41°C
(107°F)		 38°C
(100°F)		 41°C
(106°F)		 41°C
(106°F)		 39°C
(102°F)		 37°C
(98°F)		 32°C
(90°F)		 25°C
(78°F)
Mean maximum 21°C
(71°F)		 24°C
(75°F)		 29°C
(84°F)		 32°C
(89°F)		 35°C
(96°F)		 34°C
(94°F)		 39°C
(103°F)		 39°C
(103°F)		 38°C
(100°F)		 34°C
(93°F)		 28°C
(82°F)		 21°C
(71°F)
Average high 11°C
(53°F)		 13°C
(55°F)		 18°C
(65°F)		 24°C
(75°F)		 28°C
(83°F)		 29°C
(85°F)		 34°C
(94°F)		 35°C
(96°F)		 31°C
(89°F)		 25°C
(77°F)		 20°C
(68°F)		 13°C
(56°F)
Daily mean 7°C
(46°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(65°F)		 23°C
(74°F)		 25°C
(78°F)		 29°C
(85°F)		 30°C
(87°F)		 27°C
(80°F)		 21°C
(69°F)		 15°C
(60°F)		 9°C
(49°F)
Average low 4°C
(39°F)		 5°C
(41°F)		 10°C
(50°F)		 13°C
(56°F)		 18°C
(65°F)		 22°C
(72°F)		 26°C
(78°F)		 26°C
(79°F)		 23°C
(73°F)		 17°C
(62°F)		 11°C
(52°F)		 5°C
(42°F)
Mean minimum -3°C
(26°F)		 -1°C
(31°F)		 3°C
(37°F)		 5°C
(42°F)		 11°C
(53°F)		 18°C
(64°F)		 23°C
(74°F)		 23°C
(74°F)		 18°C
(64°F)		 10°C
(50°F)		 5°C
(41°F)		 -1°C
(30°F)
Minimum -5°C
(23°F)		 -3°C
(26°F)		 -1°C
(31°F)		 4°C
(39°F)		 9°C
(49°F)		 15°C
(60°F)		 21°C
(70°F)		 22°C
(71°F)		 16°C
(62°F)		 9°C
(49°F)		 3°C
(38°F)		 -2°C
(29°F)

Compare climate in Jiangnan with other places

Compare temperature, precipitation, sunshine, UV index in Jiangnan, Zhejiang, China with other places around the world.

Monthly average precipitation in Jiangnan, Zhejiang, China §

Jiangnan usually has the most precipitation in May, June and July, with an average of 16 rainy days and 236 mm (9.3 inches) of precipitation per month.The driest months in Jiangnan are October, November and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jiangnan, Zhejiang, China.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 67 (2.7) 75 (2.9) 134 (5.3) 97 (3.8) 189 (7.4) 286 (11.3) 233 (9.2) 136 (5.3) 90 (3.6) 59 (2.3) 67 (2.6) 62 (2.5)
Average precipitation days (≥ 1 mm) 8 10 15 12 14 19 16 11 11 7 9 9

Monthly sunshine hours in Jiangnan, Zhejiang, China §

The sunniest months in Jiangnan are May, July and August, when the sun shines an average of 9 hours 6 minutes a day.Least sunny months in Jiangnan: January, February and November receive an average of 5 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jiangnan, Zhejiang, China.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 142 191 197 242 264 220 273 308 236 209 193 202
Mean daily daylight hours 10h 30m 11h 9m 11h 59m 12h 51m 13h 34m 13h 56m 13h 45m 13h 7m 12h 18m 11h 26m 10h 42m 10h 19m

Solar UV radiation in Jiangnan, Zhejiang, China §

Jiangnan experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Jiangnan UV Index data.

Average daily maximum UV levels by month for Jiangnan, Zhejiang, China.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 6 7 10 10 12 12 12 12 11 8 6 5